stress makes you default to your lowest level of training and you fuck up, it's not really something you can prevent. It's only something you can continuously try to train to do less. Almost every high level pistol instructor will tell you that.
It could have been drugs or adrenaline which inclined the robber to be able to walk away, even with a CNS hit. The caliber debate is stupid because hydrostatic shock is a myth and shot placement is everything.
Beyond that, this is great, it won't be reported by the MSM but it's good to see ccw holders proving the anti ccw people wrong over and over. To boot it's from my home state.
"Timid men prefer the calm of despotism to the tempestuous sea of liberty."
I'm a corporate libertarian!